Legal-blank-vending machine



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J. O.v DAVIS ET 'AL LEGAL BLANK VENDING MACHINE Filed Jan. 25,, 1922 4 sheets-sheet 1 w, W23. 1,4455% J. O. DAVIS ET AL LEGAL BLANK VENDING MACHINE 4 Filed Jan. 25, 1922 I 4 sheets-sheet 2 Feb. 2 1923.

4 sheets -sheet 5 Filed Jan.

Feb. 20, 1923,

J. o. DAVIS ET AL LEGAL BLANK 'VENDING MACHINE Filed Jan. .25 1922 4 shee ts-sheet 4 lp tliltbmiitntll rat. an. 1.11;

some. navrsor Mnmnnrotis, iirinivnsora, AND anssn H. strrcn, OFTAMA, IOWA; a snlnsrron nssrenonao SAID nnvrs.

a 1 Lnean-nLnnir-vnnnine. vrncnrnn,

.h pplicati on filed llanuary 25, 1922.. germ 1W0. 531,909.

To whom it ma ounce 1%: a a i Be it known that we, Jenn 0. Dnvisand Jnssn H. Errors, are citizens of the 1 United States, residing, respectively, at Minneapolis andflama, l

i and Statesfoi Minnesota and Iowa, have invented certain newanduselul n11 proveinents in Legal-Blank-Vending lVlachines; andwe do hereby declare theffoli0 lowing to be a full, clear, and exact descriptionol theinvention, such as will en art to which it able others skilled in the appertains to make and use the same.

This invention relates to machines for vending and delivering to purchasers agar blanks or similar paper sheets, and is in the nature o f an improvement on or refinement of the machine disclosed and claimed in our pending application Serial NumberdSOQA-Q,

filed December 15 1920, and entitled Legal blank vending machine. y

Generally stated, the inventlon cons sts of the novel devices and combinations or devices hereinafter described anddefined in 2lithe claims. 3 In the accompanying drawings, which illustrate the invention, like characters indicate. like parts throughout the several views.

. Referring to the drawings:

. 5 Fig. l is a front elevation with some parts broken away, showing the improved machine;

Fig. Qis an enlarged section taken on the line 2-2 of Fig. 1;.

Fig. 3' s a fragmentary section taken substantially on the line 3-3of Fig. a;

Fig. i is aside elevation o-f-the machine with some parts broken away andwith some Parts in vertical secti the line 5;.5 f g Fig.5 is a detail in planshowing a bail like retaining bar applied to the pivoted so i called feed table;

"Fig. 6 is a fragmentary vertimiiljsection taken on the line 6-6 of Fig. 5;

Fig. 6" is a view corresponding to Fig. 6 but illustrating a slightly; modified construction; and H Fig. 7*is side elevationwith some parts broken away, illustrating aconstruction diti'ering in some respects from that illustrated inyl ig. l. i

' The device may comprise any desired .55 number of units andthesemaybe arranged in a' variety and preferred, it involves a plurality of such units or in the counties of Hennepin and i Fig. 5 is a horizontal section taken on through which and eated forward of the i the feed table 16 and its load.

of different ways, but, as shown such sections all incorporated into a common cabinet or casing and the different units arranged to deliver diiferent kindsof blanks. The cabinet 8 illustrated is shown as formed with vertically spaced drawer eonipartii'ients 9 vertically spaced partitions 10.

In the lower compartment, the cabinet provided with a coin box or receptacle 11, into which the coins. will be 3 delivered through a coin chute 12. In the front wall of the cabinet are vertically spaced trans versely elongated blank Cleliverynpassages 13, through which the blanks or'paper sheets are adapted to be delivered out ofthe cab inet. i f

Removably mounted on eachpar'tition 10 is a drawer or flanged slide 14, preferably formed of sheet metaland left open or flangeless at its front and rear ends.

In Figs. 1 and a, the partitions 10 and the drawers 14: are shown in severaldifl ei ent' arrangements, the upper drawer. and

ments inadeythe further description will be confined to the preferred arrangement illustrated at the top in Fig. 4 and in the several instances in F ig. 7

The numeral 1.5 indicates stops on the parand intervening titions 10, with which the lower ends o fthe drawers 14 are en 'a ed to hold the same in proper working poiiition.

Within or upon each drawerl t is a pivoted feed table 16, preferably also made of sheet metal and having upturned side flanges, the side flanges of the drawer 14- a pivot rod 17 is passed to afi'orda pbkotalconnection between the two. This pivot, for an important reason, is locenter of gravity of The legal blanks or like sheets 3 are placed on the table, asbest shown in Figs.

4, 6 and 7, and they are held properly p0si tionedfas best shown in Fig. 6, by the upturned ends of gauge clips18 that underlap the lower end of the feed table 16 and into frictional engagement wit-h the bottoms dog 32 that is pivoted to the adjacent flange Figs, 5,5? and 6,

of overlying feed rollers 20 that are secured to a feed shaft 21 journaled in the front ends of the side flanges of the drawer or slide 1 1. To increase the weight of the lower end of thefeed table16 over. that of the upper end and to give. alwaysthe desired pressure of the upper, blank or sheet against the feed rollers, said. table is provided on the under surface of its lower end with a weight 22 that is made. adjustable longitudinally thereof by a slot and screw connection 23. Here it maybe further noted that the pivotal connection betweenthe table 16 and the pivot rod,17 is made by turning the lugs 16 downward from the sides of said table and throughwhich the rod 17 is passed.

Each feed roller 20 has. frictional face, preferably formed of soft rubber, for direct engagement with the upper paper sheet or blanlcy. These frictional faces 2O are eecentr-ic or cut away below or to the metal. flanges of said wheels for a short distance,

at the lower. .po rt ions thereof, so that, nor- -mally,- said,frictional faces will be out of action ,on the paper sheet.

Pivotally mounted on the upper delivery endof the. table 16, at 24, is a.bail-shaped so-called. retaining bar 25, as best shown in The arms of said bar, at their inner ends, are provided with weights 26 that keep the front or cross portionof said retaining bar raised. Said bar 25 is. provided with a segmental flange 27 preferably. faced with a thin sheet of rubberw28 or similar. material that will offer more resistance than polished metal or wood to the movement of the upper sheet 1 over the same, Normally, this facing 28 is pressedwagainst the feed rollers by the weights 26. By reference to Fig. 6, it will be notedthat. the retaining bar 2? stands in ,front, of all but the uppermost of the paper, sheets or, blanksy. Oneof the dis .charge slots or passages 13 is positioned to receive theupper blank or sheet 1/ from said feedrollers, asindicatedby dotted lines in Fig.6..

Within the casingv but at one end, the

roller shaft 21 is, provided with ratchetwheel 29 that/is engaged by a retaining dog 30 pivoted, to one flangeof thedraweror slide. 14, (see particularly F ig. 2). On its hub, the ratchet wheel 29 has a lock lug 31' thatis engaged bythe hook-like end of a lock of the, drawer 14. This lock dog 32 has a weighted end 33 and a tripping finger 84, which latter. projects partly over the receiving end of the coin chute 12. The ,coinw is arranged to be delivered to the chute 12 and against the tripping finger 34: by a: supplemental coin chute 12. T he numeral 35 indicates a stop pin on the ratchet wheel 29. This pin, when the dog 32 .is in its locking position, is adapted to pass through a notch 36 in, one side of the latter.

For operating the feed roller, its shaft 21 is provided with a detachable section 37 shown as detachably connected thereto by threaded engagement and extended out. through one side of the casing and provided with an operating knob 38.

In the arrangement illustrated in Fig. 7, the coin chute 12 delivers to the coin. box 11' located in the angular space below the lowermost partition 10. Preferably, the cabinet will, be provided with a displaceablc back plate 8 connected thereto by a hinge 39;

The construction illustrated in F ig. 6 is like that illustrated in Fig. 6, except that the operating flange of the retaining bar. 27 is not covered with rubber or the like, but is extended on the are of a circle through a greater number of. degrees than is the cor responding flange of the bar 27. In both arrangements, the blanks or sheets 1 are arranged to be discharged by an ujnvard feedingmovement.

Figs. 1 and 1 show the upper feed table 26 rearwardly inclined and two lower feed tables set slightly forwardly inclined. For most purposes, however, the best feeding action is produced with the table and the blanks held rearwardly inclined so that blanks must be fed from the stack by an inclined upward feeding movement.

Operation.

The operation of the preferred form of the vending mechanism will now be described, attention being directed particularly to Fig. 6.

When a coin is deposited in the coin chute 12, it will drop against the finger it of the look dog 32, as shown in Fig. 2. and its weight will then move said dog into a releasing position against the stop pin it) of the ratchet wheel 29. but said coin will be temporarily held by said finger. This releases the feed rollers, so that they may be rotated by manipulating the knob its.

Normally, theupper front edge of the top blank y will be frictionally pressed against the feed rollers so that, by initial rotation of the latter. in the direction of the arrow marked on Fig. 2, the top sheet will be fed from the stack and over the rubher face of the flange of the retaining bar 27 and from thence out through the discharge passage 13. As soon as the upper end of the blank is forced between the rollers and the flange of the retaining bar 27. the latter assistsin pressing the blank into frictional engagement with the feed rollers,

i will be again locked in normal position [One rotation o l the feed rolls however, will 25 fin respectto'thetable so as to always main-- ta1n the same ieedlng relation thereto.

neat,

so that a good feeding action is insured. It i i should be noted that the blank or sheet is subjected to frictional pressure firstby the iweight 22 on the lower end of the table 16,

and second by the Weights 26 acting through theretaining bar 27. The retaining bar, socalled, therefore acts as a combined retalning bar and presser bar. The rubber iae ing on the bar 27 does not afford such trim tion as to prevent feeding oi? the top blank, which alone has contact with the rubber ,ifaces of the teedrollers, but it doesserve to effectuate to hold back a second sheet which might tend tostick to and move with the top blank The curved flange of the bar 2?,

shown in Fig. 6 serves much the same lT HDCl/IOD, In actualpractice, we have found c that both forms of the device illustrated in Figs. 6 and 6 are of very high etliciency y a 20 and will operate almost to perfection. The co-operative feeding action between the table and the combined retaining and pressure bar accomplishes the desired result. Of course, as the stack of blanks or sheets y is fed down, the retaining bar 27 lowers When the feedrolls have nadeone complete rotation, alock lug 31 will engage the hook and lock dog 32 and the rolls eject the top blanltpor sheet 3/ where it can be easily reached with the fingers and easily pulled the rest the way out ot the casing since the cut-away portions of the frictional tacings 20 will be then again inthe plane of the upper blank i 'tyturther highly important action should be par-v 40 tieularly noted. When the feed rollershave made their complete rotation and have been again locked with the cut away or omitted portions oftheiacings 20 aligned with the top blank or sheet 1 the latter will have been projected out of the passage 18. ;Then,

i when this upper blank or sheetis engaged by the fingers and pulled outward, it will press downward on the flange of the rea taining bar, thereby rocking the weighted arms 24 on their pivots 24 and moving downward on the retaining bar 25. This greatly decreases the frictional resistance to the withdrawal of the blank or sheet and permits the sameto be very easily pulled completely out of the casing.

W hat we claim is i c c 1. In a vending machine, an enclosing casing, a sheet supporting table pivotally mounted within said casing, a feed roller overlying the delivery end of said table, and

against which said table is arranged to press the top sheet, and a retainingbar movahly mounted atthe delivery end of said tabl'eand yieldingly pressed upward in respect t-hereto and toward said feed roller. a i i 2. The construction defined 1n claim 1 in which said retaining bar has a flange T directly opposed to said roller. c I

3. The construction defined in claim. 2 in which said roller has a frictional peripheral face with a removed portion.

at. The construction defined in clalm l in which said retaimng bar has a curved flange opposed tofsaid roller. v

5. In avending machine, an enclosing casing, a sheet supporting table pivotally,

flange opposed to said teedvroller.

in testimony whereof We-affiX oursigna tures. a

JOHN O. DAVIS.

Jnssn n. sricn. 

